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Differential Projective Geometry of a System of Pfaffian Differential Equations
Journal of Mathematics and Physics, 1930openaire +1 more source
Differential Geometry of a General Motion in the Complex Projective Line
American Journal of Mathematics, 1949openaire +2 more sources
Relations Between the Projective and Metric Differential Geometries of Surfaces
American Journal of Mathematics, 1933openaire +2 more sources